<template>
  <div>
      <!-- 面包屑 -->
     <el-breadcrumb separator-class="el-icon-arrow-right">
         <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
         <el-breadcrumb-item>用户管理</el-breadcrumb-item>
         <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>

     <!-- 头部区域 -->
      <el-card class="box-card">
          <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
            <el-col :span="7">
               <el-input placeholder="请输入内容"  class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
                   <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
               </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>

        <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>

            <el-table-column label="状态" >
                <template v-slot="scope">
                      <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                     </el-switch>
                </template>
            </el-table-column>

            <el-table-column label="操作" width="180px">
                <template v-slot="scope">
                    <!-- 修改按钮 -->
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <!-- 删除按钮 -->
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserByid(scope.row.id)"></el-button>
                    <!-- 分配角色按钮 -->
                    <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false" >
                          <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>

         <!-- 分页区域 -->
        <el-pagination
                  @size-change="handleSizeChange"
                  @current-change="handleCurrentChange"
                  :current-page="queryInfo.pagenum"
                  :page-sizes="[1, 2, 5, 10]"
                  :page-size="queryInfo.pagesize"
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="total">
        </el-pagination>
      </el-card>

       <!-- 添加用户的对话框 -->
      <el-dialog title="" :visible.sync="addDialogVisible" width="30%" @close="addDialogClosed">
       <!-- 内容主体区 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormref" label-width="100px" >
           <el-form-item label="用户名" prop="username">
           <el-input v-model="addForm.username"></el-input>
        </el-form-item>

        <el-form-item label="密码" prop="password">
           <el-input v-model="addForm.password"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
           <el-input v-model="addForm.email"></el-input>
        </el-form-item>

        <el-form-item label="手机" prop="mobile">
           <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
        </el-form>

        <!-- 底部区域-->
        <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog
        title="修改用户" :visible.sync="editDialogVisble" width="30%" @close="addDialogClosed">
        <el-form :model="editForm" :rules="addFormRules" ref="addFormref" label-width="70px" >

           <el-form-item label="用户名" >
               <el-input v-model="editForm.username" disabled></el-input>
           </el-form-item>

            <el-form-item label="邮箱" prop="email">
               <el-input v-model="editForm.email"></el-input>
           </el-form-item>

             <el-form-item label="手机号" >
               <el-input v-model="editForm.mobile"></el-input>
           </el-form-item>
        </el-form>

        <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisble = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色的对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
          <div>
              <p>当前的用户:{{userInfo.username}}</p>
              <p>当前的角色:{{userInfo.role_name}}</p>
              <p>分配新角色:
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                    <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
                    </el-option>
                    </el-select>
              </p>
          </div>
        <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>



  </div>
</template>

<script>
export default {
    name:'',
    data() {
            //验证邮箱的规则
            var checkEmail =(rule,value,cb)=>{
                const regEail=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                if(regEail.test(value)){
                    //合法的邮箱
                    return cb()
                }
                cb(new Error('请输入合法的邮箱'))
            }
            //验证手机号的规则
            /*var checkMobile =(rule,value,cb)=>{
                //验证手机号的正则表达式
                const regMobile = /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])d{8}$/
                   if(regMobile.test(value)){
                    //合法的手机号
                    return cb()
                }
                cb(new Error('手机号不合法'))
            }*/
        return {

            //获取用户列表
            queryInfo:{
                query:'',
                //当前的页数
                pagenum:1,
                pagesize:2
            },
            userlist:[],
            total:0,

            //添加用户对话框的显示隐藏
            addDialogVisible:false,

            //添加修改用户对话框的显示隐藏
            editDialogVisble:false,

            //查询到的用户信息对象
            editForm:{},

            //分配角色对话框的显示和隐藏
            setRoleDialogVisible:false,

            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },

            //添加表单验证规则对象
            addFormRules:{
                username:[
                     { required: true, message: '请输入登陆名称', trigger: 'blur' },
                     { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password:[
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 10 个字符', trigger: 'blur' }
                ],
                 email:[
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    {validator:checkEmail,trigger:'blur'}
                ],
                /* mobile:[
                    { required: true, message: '请输入手机号', trigger: 'blur' },
                    {validator:checkMobile,trigger:'blur'}
                ]*/
            },

            //需要被分配角色的用户信息
            userInfo:'',

            //所以角色的列表
            rolesList:[],

            //选中的角色id值
            selectedRoleId:''
        }
    },
    created() {
        this.getUserList()
    },
    methods: {
        async getUserList(){
          const {data:res} = await this.$http.get('users',{params:this.queryInfo});
          if(res.meta.status !==200) return this.$message.error('获取失败')
            this.userlist = res.data.users
            this.total = res.data.total
        },
        //监听pagesize改变的事件
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getUserList()
        },
        //监听页码值 改变的事件
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getUserList()
        },
        //监听switch开关的改变
        async userStateChanged(userinfo){
            const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
           if(res.meta.status !== 200) {
               userinfo.mg_state = !userinfo.mg_state
               return this.$message.error('更新失败!')
           }
           this.$message.success("更新成功");
        },
        //监听添加用户的对话框的关闭事件
        addDialogClosed(){
            this.$refs.addFormref.resetFields()
        },
        //添加新用户
        addUser(){
            this.$refs.addFormref.validate(async valid=>{
                if(!valid) return
                //可以发起添加用户的网络请求
                const {data:res} = await this.$http.post('users',this.addForm)
                if(res.meta.status!==201){
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                //隐藏添加用户的对话框
                this.addDialogVisible = false
                //重新获取用户的列表
                this.getUserList()
            })
        },
        //展示修改内容的对话框
        async showEditDialog(id){
           const {data:res} = await this.$http.get('users/'+id)
           if(res.meta.status!==200){
                  return  this.$message.error('查询用户失败')
                }
               this.editForm=res.data
               console.log(res);
            this.editDialogVisble=true
        },
        //修改用户信息并提交
        editUserInfo(){
             this.$refs.addFormref.validate(async valid=>{
                if(!valid) return
                //可以发起修改用户信息的网络请求
              const {data:res} = await this.$http.put('users/'+ this.editForm.roleId,
                          {email:this.editForm.email,mobile:this.editForm.mobile})
                if(res.meta.status!==200){
                  return  this.$message.error('更新用户信息失败')
                }
                //关闭对话框
                this.editDialogVisble=false
                //刷新数据列表
                this.getUserList()
                //提示成功
                this.$message.success('更新用户信息成功')
           })
        },
        //根据id删除信息
       async removeUserByid(id){
            
       const confirmResult= await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
            }
          ).catch(err=>{
              return err
          })

          //如果用户确认删除,返回confirm
          //如果用户确认删除,返回cancel
          if(confirmResult !== 'confirm'){
              return this.$message.info('已取消删除')
          }

         const {data:res}= await this.$http.delete('users/'+id)
          if(res.meta.status!==200){
                  return  this.$message.error('删除用户失败')
                }
                this.$message.success('删除用户成功')
                this.getUserList()
        },

        //显示角色分配的对话框
        async setRole(userInfo){
            this.userInfo=userInfo

            //在展示对话框之前，获取所以角色列表
            const {data:res} = await this.$http.get('roles')
            if(res.meta.status!==200){
                  return  this.$message.error('获取角色列表失败')
                }
                this.rolesList = res.data

            this.setRoleDialogVisible = true
        },

        //点击确认按钮分配角色
       async saveRoleInfo(){
            if(!this.selectedRoleId){
                return  this.$message.error('请选择需要分配的角色')
            }

           const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
                 if(res.meta.status!==200){
                  return  this.$message.error('更新角色失败')
                }
                this.$message.success('更新角色成功')
                this.getUserList()
                 this.setRoleDialogVisible = false
        },
        
        //对话框关闭后情况对话框里的内容
        setRoleDialogClosed(){
            this.selectedRoleId=''
            this.userInfo=''
        }
        
    }
}
</script>

<style>
.el-table{
    margin-top: 15px;
}
</style>